STREET DRAIN AND STREET DRAIN COVER, AS WELL AS MANUFACTURE OF STREET DRAIN

摘要

PURPOSE:To eliminate a risk of a walking person being slipped and stumbling, to increase a strength, and to improve the drainage properties of a road on which permeation pavement is applied. CONSTITUTION:Formation of a street drain is such that the street drain has a bottom being opened and an opening part 6 is formed in a top wall 4 to interconnect the upper ends of a pair of side walls 3, and the street drain comprises an approximately inverted U-shape street drain body 1 having the opening part 6 on the inner surface of which a cover support part 5 having a notch 7 for discharging mud is arranged, and a cover body 2 placed on the cover support part 5 and closing the opening part 6. A recessed part 15 is formed in the outer edges of the upper surfaces of the street drain body 1 and the cover body 2 by erecting a peripheral wall 10. The bottom of the recessed part 15 forms a slope 13, a notch 12 for drain is formed in the lower end of a slope and the recessed part 15 is filled with a permeable material wherein natural gravels and an adhesive are kneaded to form a permeation layer 16.